The body of a boy was found floating on the Chao Phraya River in Pathum Thani on Tuesday morning.
Wanphen Charoenna, 67, driver of a shuttle boat spotted the body at a pier in Tambon Bang Proke in Muang district at 6am and called police.
The body was identified by relatives as Thanupol Worakitsathorn, 8. The boy came to swim with friends at the spot in Muang district on Monday afternoon and drowned, police said.
The body was sent for an autopsy at Thammasat University Hospital.